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Promoted item:5 Pcs DC 5V Stepper Step Motor + Driver Test Module Board ULN2003 For Arduino

5 Pcs DC 5V Stepper Step Motor + Driver Test Module Board ULN2003 For Arduino

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  • New
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  • 29d 6h 24m
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  • 99.9% Positive Feedback
    The item is listed as a Top Rated Plus item
  • US $12.16
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  • Quantity 10+Available
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About Stepper Motor

Fine control of mechanized parts is essential to countless areas of modern electronics, from photographic scanners and printers through the spinning heads that read floppy disks. Many people don't realize that control on this scale requires something of a feathery touch that itself works via magnetic impulse, foregoing crude motors for something far smaller and tremendously more precise. Stepper motors have long been the key to moving parts in consumer devices such as these, and understanding the mechanism behind them is an important step toward building your own effective gadgetry.The simple advantage of stepper motors is that they offer an extremely fine grain of rotation, dividing a single rotation into many hundreds of discrete parts, or steps. Electromagnets placed around the edges of the circular device are turned off and on in precise orders to rotate the teeth of the internal rotor, and as long as the poles on rotor and stator do not share a common divisor, you can easily achieve motion in either direction without reaching a final energy state.Hobbyists who use stepper motors often need to weigh the level of precision against price, as the cost associated with adding more poles can quickly skyrocket. Choose properly, however, and you could find yourself at the helm of a piece of machinery that can accommodate countless configurations in a flash.Hobby shops, electronics depots and other sources online tend to offer deals on stepper motors, so a little looking may even turn up bargains all over the Web. A great stepper motor can underlie countless inventions, so you may want to opt for quality over expediency.